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Therefore, in this study, based on energy balance principle between wellbore and formation, a temperature model of drilling fluid layers was established under different grid units of wellbore condition. Meanwhile, the axial thermal conductivity temperature model of drilling fluid was established by introducing axial conduction items of drilling fluid, followed by using discrete and solving of implicit finite difference method to these mathematical models. The calculation results indicated that the error temperature of the radial and axial of drilling fluid wellbore temperature which was caused of radial temperature gradient were 0.15 and 0.2 ℃ respectively, whereas axis thermal conductivity of drilling fluid has little effect on wellbore temperature distribution. Therefore, the above results confirmed that it can ignore both of them to influence wellbore temperature distribution by established the wellbore-formation coupled transient heat transfer model. Moreover, it is the first proved the correctness of model assumptions from previous scholars based on the mathematical modeling methods, and then further provides the reliable theoretical basis for down-hole temperature distribution of oil and gas well and geothermal well.
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Keywords:
- radial temperature gradient /
- axial thermal conductivity /
- wellbore temperature /
- transient heat transfer model
[1] Yang M 2012 Ph. D. Dissertation. (Chengdu: Southwest petroleum University) (in Chinese) [杨谋 2012 博士学位论文 (成都: 西南石油大学)]
[2] Kritikos W R, Kutasov I M 1988 SPE Formation Evaluation Journal March 224
[3] Hasan A R, Kabir C S 1994 SPE Drilling and Completion March 20
[4] Kutasov I M, Eppelbaum L V 2005 Journal of Geophysics and Engineering 2 91
[5] Eppelbaum L V, Kutasov I M 2011 Journal of Applied Geophysics 73 281
[6] Guo Y C, Zeng Y S, Lu D T 2005 Acta Phys. Sin. 54 802 (in Chinese) [郭永存, 曾亿山, 卢德唐 2005 54 802]
[7] Valladares O G, Sánchez P U, Santoyo E 2006 Energy Conversion and Management 47 1622
[8] Paredes G E, Erick G, Espinosa M 2009 Energy Conversion and Management 50 143
[9] Raymond L R 1969 Journal of Petroleum Technology March 336
[10] Song X C, Guan Z C 2011 Acta Petrolei Sinica 32 704 (in Chinese) [宋洵成, 管志川 2011 石油学报 32 705 ]
[11] Marshall D W, Bentsen R G 1982 The Journal of Canadian Petroleum January-February 68
[12] Beirute R M 1991 Journal of Petroleum Technology September 1142
[13] García A, Santoyo E, Espinosa G, Hernandez I 1998 Transport in Porous Media 33 108
[14] Paredes G E, Garcia A 2001 Computers & Geosciences 27 337
[15] Zhong M C, Rudolf J N 2003 SPE Annual Technical Conference October 4
[16] Zhong B, 1998 Ph. D. Dissertation (Sichuan Union University) (in Chinese) [钟兵 1998 博士学位论文 (成都: 四川联合大学博士论文)
[17] Paredes G E, Gutierrez A G 2004 Energy Conversion and Management 45 1523
[18] Paredes G E, Díaz A M, González U O, Garcia J J 2009 Marine and Petroleum Geology 26 262
[19] Shen H C 2005 Acta Phys. Sin. 54 2486 (in Chinese) [沈惠州 2005 54 2486]
[20] Xu Z Z, Zhang W Q, Pan Z S, Wang Y F 1982 Acta Phys. Sin. 31 1270 (in Chinese) [徐至展, 张文琦, 潘仲雄, 王翼飞 1982 31 1268]
[21] Cheng H, Zhang W P, Zhao Z Y, Li Z B, Zhou W Y, Tian J G 2009 Chin. Phys. Lett. 27 014201
[22] Ji Y, Yun B F, Hu G H, Cui Y P 2009 Chin. Phys. Lett. 27 014201
[23] Kelessidis V C, Maglione R, Tsamantaki C 2006 Journal of Petroleum Science and Engineering 53 214
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[1] Yang M 2012 Ph. D. Dissertation. (Chengdu: Southwest petroleum University) (in Chinese) [杨谋 2012 博士学位论文 (成都: 西南石油大学)]
[2] Kritikos W R, Kutasov I M 1988 SPE Formation Evaluation Journal March 224
[3] Hasan A R, Kabir C S 1994 SPE Drilling and Completion March 20
[4] Kutasov I M, Eppelbaum L V 2005 Journal of Geophysics and Engineering 2 91
[5] Eppelbaum L V, Kutasov I M 2011 Journal of Applied Geophysics 73 281
[6] Guo Y C, Zeng Y S, Lu D T 2005 Acta Phys. Sin. 54 802 (in Chinese) [郭永存, 曾亿山, 卢德唐 2005 54 802]
[7] Valladares O G, Sánchez P U, Santoyo E 2006 Energy Conversion and Management 47 1622
[8] Paredes G E, Erick G, Espinosa M 2009 Energy Conversion and Management 50 143
[9] Raymond L R 1969 Journal of Petroleum Technology March 336
[10] Song X C, Guan Z C 2011 Acta Petrolei Sinica 32 704 (in Chinese) [宋洵成, 管志川 2011 石油学报 32 705 ]
[11] Marshall D W, Bentsen R G 1982 The Journal of Canadian Petroleum January-February 68
[12] Beirute R M 1991 Journal of Petroleum Technology September 1142
[13] García A, Santoyo E, Espinosa G, Hernandez I 1998 Transport in Porous Media 33 108
[14] Paredes G E, Garcia A 2001 Computers & Geosciences 27 337
[15] Zhong M C, Rudolf J N 2003 SPE Annual Technical Conference October 4
[16] Zhong B, 1998 Ph. D. Dissertation (Sichuan Union University) (in Chinese) [钟兵 1998 博士学位论文 (成都: 四川联合大学博士论文)
[17] Paredes G E, Gutierrez A G 2004 Energy Conversion and Management 45 1523
[18] Paredes G E, Díaz A M, González U O, Garcia J J 2009 Marine and Petroleum Geology 26 262
[19] Shen H C 2005 Acta Phys. Sin. 54 2486 (in Chinese) [沈惠州 2005 54 2486]
[20] Xu Z Z, Zhang W Q, Pan Z S, Wang Y F 1982 Acta Phys. Sin. 31 1270 (in Chinese) [徐至展, 张文琦, 潘仲雄, 王翼飞 1982 31 1268]
[21] Cheng H, Zhang W P, Zhao Z Y, Li Z B, Zhou W Y, Tian J G 2009 Chin. Phys. Lett. 27 014201
[22] Ji Y, Yun B F, Hu G H, Cui Y P 2009 Chin. Phys. Lett. 27 014201
[23] Kelessidis V C, Maglione R, Tsamantaki C 2006 Journal of Petroleum Science and Engineering 53 214
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